Add runArgs for PTRACE

dev-containers/cpp-container/.vscode/devContainer.json

@@ -2,5 +2,6 @@
 	"dockerFile": "../dev-container.dockerfile",
 	"extensions": [
 		"ms-vscode.cpptools"
-	]
+	],
+	"runArgs": ["--cap-add=SYS_PTRACE", "--security-opt", "seccomp=unconfined"]
 }